.firm_code_content_table th {
    background-image: none;
    background-repeat: no-repeat;
    background-size: auto 1.2em;
    background-position: right 5px center;
}
.firm_code_content_table th.column_pc {
    background-image: none;
}
.column_pc, .column_n,.column, .column_lq, .column_ul, .column_uc {
    padding-right: 20px !important;
}
.firm_code_content_table th:hover {
    cursor: pointer;
    background-color: #deeeee;
}